OpenTechnical

OT-2026-000085979

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000085979) never changes.

Identity and time

Publication numberOT-2026-000085979 · never reused
Internal UUID01a0ae99-e82a-79c2-950a-40bd82314066 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085979
StatusPUBLIC

Content hashes

Canonical text9d9ee1f8d0766e8edabc9710b4285342c442a81c8f1d071de74731b24022726f
Markdown918c29fb84db7c2b7bff6bc10d32eda2920feaefef3e12e3e32569be548d218b
PDF
Publication page54f1f398b1a5cfc9b1c9980529bae4ab760264bf363761e425f89ac4e3109d31
Manifestde36b30215861ebcaee40b4822d9305d19e14a8bbfa2ff1e9de416fad8b4b22c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturennR6SnCrQwDij5py64CnsHC7ifZQiWasXxdPjoYikC+EeTbSn06dfZZqGUhZciBMWS1YsfPWj0u+mkE8tjPfCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:57.365600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085979
observed 54f1f398b1a5cfc9b1c9980529bae4ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.348131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085979/manifest.json
observed de36b30215861ebcaee40b4822d9305d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.330708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085979/publication.md
observed 918c29fb84db7c2b7bff6bc10d32eda2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.310004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085979/publication.txt
observed 9d9ee1f8d0766e8edabc9710b4285342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.